Can’t sleep at night in your 20s may be caused by work stress, environmental factors, neurasthenia and so on. Its causes are different, the treatment is also different, as follows: 1 work pressure: social competitiveness, too much pressure, will cause people to be overstressed, working late at night, thus affecting the quality of sleep. Therefore, it is necessary to regulate the time of work, ensure a good sleep, relax emotions, choose some interest, like things to do, more communication with relatives and friends to learn to correctly release pressure. 2. Environmental factors: sleeping environment is too cold, too hot, or too noisy, are not conducive to sleep, resulting in sleepless nights. As far as possible to adjust the indoor environment to a comfortable state, find a quiet room do not place a special flavor of flowers and fragrances, the room using pastel colors, light is not too strong, well ventilated, mattresses choose the right hardness and other measures to achieve the effect of sleep. 3. Neurasthenia: long-term tension and stress, there will be easy mental excitement and mental fatigue, often accompanied by emotional troubles, irritability, sleep disorders, muscle tension pain and other symptoms. It is recommended to increase physical exercise, travel convalescence, adjust irrational learning, work mode, improve the state of tension, can help the body’s function of self-repair. If the symptoms are not relieved for a long time, it is recommended that family members accompany the patient to the psychiatric department of the hospital for standardized examination and treatment.